IslamQA
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Question
Does a vaccination against meningitis invalidate the fast?.
Answer
Praise be to Allah, and blessings and peace be upon the Messenger of Allah:
Vaccinations against meningitis do not invalidate the fast. There is nothing wrong with that, but if it is possible to give the injection at night, that is more on the safe side. And Allah is the Source of strength. May Allah send blessings and peace upon our Prophet Muhammad and upon his family and companions.
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